All Questions
Tagged with vitamins nutritional-supplements
4 questions
3
votes
1
answer
1k
views
Does Vitamin K2 MK-4 have a half-life of about one hour?
Mercola writes
MK-4 is a synthetic product, very similar to vitamin K1, and your body is capable of converting K1 into MK-4. However, MK-4 has a very short biological half-life of about one hour, ...
- 34k
7
votes
1
answer
738
views
Do vitamin D supplements help against winter depression?
People like me who live in the northern part of the world, often get a bit depressed at this time of the year, when it's essentially dark when you leave for work and when you get home from work. This ...
- 79
16
votes
1
answer
6k
views
Ester C, the "better" Vitamin C?
If I recall correctly, Vitamin C plays an important role in the body's immune system. Anecdotal testing by myself gave me the impression that I could ward off a developing cold by the intake of high ...
- 12.4k
46
votes
3
answers
4k
views
Should a healthy adult take a daily multi-vitamin?
Is there any reason for a healthy adult to take a daily multi-vitamin?
My intuition tells me that an adult eating a healthy and balanced diet will get all of the nutrients she needs and that taking a ...
- 5,933